NFC: Move checking valid gb_len value to nfc_llcp_set_remote_gb

This checking is common for all caller, so move the checking to one place.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

2 files changed, 5 insertions, 6 deletions

diff --git a/net/nfc/core.c b/net/nfc/core.c
index be5d50c6d81d..819b87702b70 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -652,9 +652,6 @@ int nfc_set_remote_general_bytes(struct nfc_dev *dev, u8 *gb, u8 gb_len)
 {
         pr_debug("dev_name=%s gb_len=%d\n", dev_name(&dev->dev), gb_len);
 
-        if (gb_len > NFC_MAX_GT_LEN)
-                return -EINVAL;
-
         return nfc_llcp_set_remote_gb(dev, gb, gb_len);
 }
 EXPORT_SYMBOL(nfc_set_remote_general_bytes);
diff --git a/net/nfc/llcp_core.c b/net/nfc/llcp_core.c
index 9d37dedec906..0cf9d4f45e6a 100644
--- a/net/nfc/llcp_core.c
+++ b/net/nfc/llcp_core.c
@@ -609,14 +609,16 @@ u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len)
 
 int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len)
 {
-        struct nfc_llcp_local *local = nfc_llcp_find_local(dev);
+        struct nfc_llcp_local *local;
+
+        if (gb_len < 3 || gb_len > NFC_MAX_GT_LEN)
+                return -EINVAL;
 
+        local = nfc_llcp_find_local(dev);
         if (local == NULL) {
                 pr_err("No LLCP device\n");
                 return -ENODEV;
         }
-        if (gb_len < 3)
-                return -EINVAL;
 
         memset(local->remote_gb, 0, NFC_MAX_GT_LEN);
         memcpy(local->remote_gb, gb, gb_len);